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U Si.' PATENT 'OFFICE 1861. y i UVWOL NQ. 31550-51.V

Excavators.

SPECIFICATION.

TO ALLlWHOM-IT MAY CQNCERN: Y

Beit known, that-L WILLIAM RNDALL, aeitizen of' the`United;States,residing at Uxbridge, Ontario County, in theV Province of Ganada,l have 'inventeda new and useful Inaehine for'Excavating Earth; and I do hereby declare that theffollowing is a fll, clear, and exact description of the construction andoperationof-the same, reference' being hadto .the annexed `drawings making a part of this specification, inl which- Figure lA is aperspeeftive view.

Figure Z'is a view of the Working parts-after` removing thewheels g & m.

a-,aisthe-.framm b islthejcylinder-formed boxfoncarrying the earth; ccar'e sets of shovels fortaking up the earth and depositing tin the boxb. d d are disks for carrying the shovels 0.a, vvhieh arefattaehed tothem 4by the arms,v ese. f f are spur wheels-Working into the eogs f on thedisksnn'd' similar eogs onthe dri-ving wheel g. `h hare guides for lthe spur:wheelsff.` z' z' ,is a seriesgoff levers for connecting 'and disconnecting the'spurwheels f f with the-driving wheel gand the disks d d. j-.is'a standard lforfhdl'din'g the leverst' 'in' place when the maeh-inetis in operation.. The fui1f1ines1shovv the position of the levers??` z', the guides kfz, and the spur wheels. ff, when stt-Work; vthe dotted lines show their position, when not at work. is'aflever for dumping Zis au axis to 'which the box and the lever 7c are permanentlyattached `and onwhich the driving Wheel@ the-Wheel mi and the disks 0l al` revolve; -n is a pole for attaching a team and 'which may be. shifted to such points fon the frame a a as may be required to equalize thedranght.

is a brace to prevent raoking'fthe disks d d and the arms e e. The` depth of 2 y U. S, PATENT OFFICE, 1861.-No. 901,

Randalls Improvement 'in Ecavators. l

cntting and power required thereforv may be' regulated by raising the arms e e iny the slots, in which they are held in the disks d d. v

The shovels c c revolve in a direction contrary to the motion of the Wheels g 8v m. Vhen loaded, the machine is thrown out of' gearfby lowering the levers z' i; one set of the shovels c c are removed, and the disks del revolve so as to bring( the place from which the shovels were removed nnder the axis Z and `are held in this position by a catch on the frame a a, not shown in the drawing, While the loadl is being carried to the place of deposit. l

The earth is discharged by moving the lever 7:, els-indicated by chev dotted line p, this turns the axis l and inverts the box b. After returning tothe place of loading, the box b is turned upright by the lever 7c; the set of shovels, that were removed, are replaced; and the machine placed in gear by raising the levers z' z'.

I claim the cylinder form box b and the revolving shovels c cas combined, for the purpose specified. y

i WILLIAM RANDALL. Witnesses: I

S. C. BARTER, A. S. PARTRIDGE. 

